package com.yuyu.qingmangmall.ware.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyRabbitConfig {

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Bean
    public MessageConverter messageConverter(){

        return new Jackson2JsonMessageConverter();
    }

  /*
    @RabbitListener(queues = "stock.delay.queue")
    public void test(Message message){

    }*/

    /**
     * 延迟队列
     */
    @Bean
    public Queue stockDelayQueue(){
        Map<String, Object> arguments = new HashMap<>();
        // 死信交换机
        arguments.put("x-dead-letter-exchange","stock-event-exchange");
        // 死信路由键
        arguments.put("x-dead-letter-routing-key","stock.release");
        arguments.put("x-message-ttl",120000);
        return new Queue("stock.delay.queue",true,false,false,
                arguments);
    }

    /**
     * 普通队列
     */
    @Bean
    public Queue stockReleaseStockQueue(){
        // String name, boolean durable, boolean exclusive, boolean autoDelete,
        //			@Nullable Map<String, Object> arguments
        return new Queue("stock.release.stock.queue",true,false,false,
                null);
    }


    @Bean
    public Exchange stockEventExchange(){

        // String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        return new TopicExchange("stock-event-exchange",true,false,null);
    }

    /**
     * 交换机和延迟队列绑定
     */
    @Bean
    public Binding stockLocked(){
        // String destination, DestinationType destinationType, String exchange, String routingKey,
        //			@Nullable Map<String, Object> arguments
        return new Binding("stock.delay.queue", Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.locked",null);
    }

    /**
     * 交换机和普通队列绑定
     */
    @Bean
    public Binding stockRelease(){
        // String destination, DestinationType destinationType, String exchange, String routingKey,
        //			@Nullable Map<String, Object> arguments
        return new Binding("stock.release.stock.queue", Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",null);
    }

}
